TY  - BOOK
AU  -  Mannila,Heikki  .
AU  - Raiha,Kari-Jouko  .
TI  - Design of relational databases / 
U1  - 005.756 
PY  - 1992///
CY  - California : 
PB  - Addison Wesley , 
KW  - Design
KW  - Relational Database
ER  -